×4=
3÷40%=
÷=
÷×0=
∶=
-0.25=
0.78×=
24.8-4.8÷=
2.5×2=
1﹣0.75=
12× =
+2=
1.6÷0.4=
+ =
63+ =
125%×8=
4.6+5.04=
0.6²=
3.1+0.4= += 640÷16= ×3×4=
10÷= ×= 2.4×= 25×40%=
214+66= 0.86-0.6= 200÷8= 12×70= 0.32=
1.5×60%= 63×= = ÷0.75= ×2.6-2.6×0=